feat(media-supply): resource cache sync and order flow refinements

Add a resource cache sync entrypoint (RunMediaResourceSyncOnce) driven
by the new scheduler job, and rework the backlink/sync worker around it.
Tune the meijiequan client and slow the default backlink sync interval
from 10m to 30m to reduce upstream pressure.

Trim unused public/transport surface (handler + router + swagger) and
simplify admin-web order management and ops-web media-supply views,
dropping stale shared-types fields.

apps/admin-web/src/lib/api.ts

@@ -128,7 +128,6 @@ import type {
   ScheduleTaskListResponse,
   ScheduleTaskRequest,
   ScheduleTaskStatusRequest,
-  SyncMediaSupplyBacklinksResponse,
   TemplateAnalyzeTaskRequest,
   TemplateAnalyzeTaskResultResponse,
   TemplateAssistTaskCreateResponse,
@@ -1257,12 +1256,6 @@ export const mediaSupplyApi = {
   getOrder(id: number) {
     return apiClient.get<MediaSupplyOrderDetail>(`/api/tenant/media-supply/orders/${id}`)
   },
-  syncBacklinks() {
-    return apiClient.post<SyncMediaSupplyBacklinksResponse, Record<string, never>>(
-      '/api/tenant/media-supply/orders/sync-backlinks',
-      {},
-    )
-  },
   wallet() {
     return apiClient.get<MediaSupplyWalletStatus>('/api/tenant/media-supply/wallet')
   },